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York DY 048 User Manual

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343615-YTG-B-0308
Johnson Controls Unitary Products
11
TABLE 8:
DY048 INDOOR SOUND POWER LEVELS (HORIZONTAL DUCTED INLET)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
63
74
97
74
95
77
90
77
90
125
70
86
69
86
73
78
72
77
250
53
58
52
57
60
61
58
61
500
49
55
47
54
54
56
51
53
1000
42
42
38
39
50
55
45
45
2000
40
44
38
43
48
51
45
46
4000
38
44
36
41
48
52
43
45
8000
42
43
42
44
45
48
44
45
DY048 / 4 Ton
Horizontal Ducted Inlet
766
769
1077
1087
0.2
0.5
0.4
1.0
1.24
0.90
1484
993
2270
1406
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)
0.67
0.54
Cooling
Operation
2
(dB)
1. Tested in accordance with ARI Standard 260. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning Equipment .
2. Cooling Operation – ID blower, compressor and outdoor fan operating.
3. Test Duct Dimension:  12 in. wide x 18 in. high x 8 ft. long (0.30m x 0.46m x 2.44m).
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)
Octave Center Freq.
ID Blower 
Only (dB)
4. Test duct termination is flush with reverberation room wall.
5. Duct end (sound reflection) correction: (11, 6, 3, 1, 0, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 4k, 8k) Hz.
TABLE 9:
DY048 INDOOR SOUND POWER LEVELS (HORIZONTAL DUCTED DISCHARGE)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
63
77
97
75
95
84
91
82
91
125
72
86
69
85
81
83
78
80
250
60
62
57
59
71
71
66
67
500
53
56
49
54
60
61
55
56
1000
47
47
42
43
58
59
52
52
2000
45
46
40
43
54
55
50
50
4000
46
47
40
42
57
58
52
52
8000
47
47
45
45
54
54
48
49
DY048 / 4 Ton
Horizontal Ducted Discharge
766
769
1077
1087
0.2
0.5
0.4
1.0
1484
993
2270
1406
0.67
0.54
1.24
0.90
Cooling
Operation
2
(dB)
1. Tested in accordance with ARI Standard 260. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning Equipment .
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)
Octave Center Freq.
ID Blower 
Only (dB)
4. Test duct termination is flush with reverberation room wall.
5. Duct end (sound reflection) correction: (11, 6, 3, 1, 0, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 4k, 8k) Hz.
2. Cooling Operation – ID blower, compressor and outdoor fan operating.
3. Test Duct Dimension:  12 in. wide x 18 in. high x 8 ft. long (0.30m x 0.46m x 2.44m).
Cooling
Operation
2
(dB)
ID Blower 
Only (dB)